Finding the Fourth Proportional to 383,260.19, 528,781.98 and 222,084.09
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Solution
The fourth proportional to 383,260.19, 528,781.98 and 222,084.09 is: 306,408.20
Step by Step Solution
- Step 1: Write the proportion equation
383,260.19 : 528,781.98 = 222,084.09 : x - Step 2: Convert to fraction form
383,260.19/528,781.98 = 222,084.09/x - Step 3: Cross multiply
383,260.19x = 528,781.98 × 222,084.09 - Step 4: Simplify right side
383,260.19x = 117,434,064,836.70 - Step 5: Solve for x
x = 117,434,064,836.70/383,260.19 - Step 6: Final answer
x = 306,408.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.